Actual weight and conventional mass

[mythili.m (leela Mythili Mamillapalli)]

hello team ,
please let me know the difference between conventional mass and actual weight

[venu]

Convinental mass =certified weight

[Awad (Dr. Ahmed Mohamed Awad)]

We can say that Actual weight lies in the range of conventional mass ± expanded uncertainty with 95% Confidence level

[mythili.m (leela Mythili Mamillapalli)]

Thank u very much for information